Interactive virtual materials

  • Authors:
  • Matthias Müller;Markus Gross

  • Affiliations:
  • ETH Zürich;ETH Zürich

  • Venue:
  • GI '04 Proceedings of the 2004 Graphics Interface Conference
  • Year:
  • 2004

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Abstract

In this paper we present a fast and robust approach for simulating elasto-plastic materials and fracture in real time. Our method extends the warped stiffness finite element approach for linear elasticity and combines it with a strain-state-based plasticity model. The internal principal stress components provided by the finite element computation are used to determine fracture locations and orientations. We also present a method to consistently animate and fracture a detailed surface mesh along with the underlying volumetric tetrahedral mesh. This multi-resolution strategy produces realistic animations of a wide spectrum of materials at interactive rates that have typically been simulated off-line thus far.